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FILE PHOTO: Vials of COVID-19 vaccines of Pfizer-BioNTech and Moderna

Why three countries have paused Moderna vaccine

After reports showed an increase in myocarditis and pericarditis cases, Denmark, Sweden and later Finland paused use in people under 30 years

An aerial view of the LIGO detector site near Livingston, Louisiana, U.S. that was released by Caltech/MIT/LIGO Laboratory in 2016.

Mergers of black holes and ‘kicks’ that hold a key to puzzles

Shubashree Desikan

Ionising radiation: The LNT model states biological effects such as cancer and hereditary effects increase as a linear function of dose, without threshold.

NRC backs Linear No-Threshold model for radiation safety

K. S. Parthasarathy This decision of U.S. Nuclear Regulatory Commission was awaited by specialists

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Question Corner | How far can globe skimmer dragonflies fly?

In 2009, it was hypothesised that globe skimmer dragonflies (Pantala flavescens) can migrate thousands of kilometres across the Indian Ocean, from India via the Maldives to Africa, and back again. Now, an international research team led by Lund University in Sweden used models and simulations to verify this.Marine biologist Charles Anderson observed globe skimmer dragonflies in Maldives, which had flown in from, he assumed, India. When they flew off again, it was towards East Africa.Since the

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Scientists created the new glass and acrylic composite material that mimics nacre or mother of pearl.

Question Corner | How can glass be made tougher for diverse applications?

researchers combined and centrifuged glass flakes with poly(methyl methacrylate) (PMMA) to make a transparent composite.

A colony of Indian fruit bats roost on an Acacia tree in Coonoor.

Science Quiz: on bats

A.S. Nazir Ahamed Shubashree Desikan Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Solar power: In stars like our Sun, hydrogen is being converted through fusion into helium, releasing huge amounts of energy.

U.S. lab makes headway in nuclear fusion energy

Shubashree Desikan The National Ignition facility demonstrated fusion energy equal to about 1.3 megajoule

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A view of the screen as the winners of the 2021 Nobel Prize in Chemistry are announced, Benjamin List of Germany and Scotland-born David W.C. MacMillan, in Stockholm, Sweden, Wednesday, Oct. 6, 2021.

Watch | All about the 2021 Nobel Prize in Chemistry

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Watch | All about the 2021 Nobel Prize in Chemistry

Explained | The 2021 Nobel Prize in Chemistry

Explained | The 2021 Nobel Prize in Physics

Explained | The 2021 Nobel Prize in Physiology or Medicine

Question Corner | How far can globe skimmer dragonflies fly?

NRC backs Linear No-Threshold model for radiation safety

Mergers of black holes and ‘kicks’ that hold a key to puzzles

The fact of black holes having masses over 100 times the solar mass has puzzled the community

Why three countries have paused Moderna vaccine

After reports showed an increase in myocarditis and pericarditis cases, Denmark, Sweden and later Finland paused use in people under 30 years

Lunar samples brought by Chinese mission studied

Samples dated to later volcanic lava

PM Modi to launch industry body Indian Space Association on Monday

Indian Space Association (ISpA) represents homegrown and global corporations with advanced capabilities in space and satellite technologies

IISc to start medical courses from next year

Students wishing to pursue medical sciences will be able to do so in one of the best known institutions in the country. The Indian Institute of

Two scientists share Chemistry Nobel for developing tool for building molecules

The winners are German scientist Benjamin List of the Max Planck Institute and Scotland-born scientist David WC MacMillan of Princeton University

Solar energy output growth slows in September

Growth in solar energy is critical this year as the country’s solar energy generation growth slowed to 24.75% in September amid coal crisis

Watch | All about the 2021 Nobel Prize in Physics

A video on the winners of the 2021 Nobel Prize for Physics

Russian film crew blasts off to make first movie in space

After 12 days on the space outpost, they are set to return to Earth with another Russian cosmonaut.

UAE to launch probe targeting asteroid between Mars, Jupiter

The project targets a 2028 launch with a landing in 2033, a five-year journey in which the spacecraft will travel some 3.6 billion kilometres

Nobel physics prize goes to 3 for climate discoveries

The winners — Syukuro Manabe, Klaus Hasselmann and Giorgio Parisi — were announced by Goran Hansson, secretary-general of the Royal Swedish Academy of Sciences

Indian Ocean Dipole can be forecast much in advance, says study

Scientists find two of four existing models show significant prediction skills for up to 10 years

Watch | All about the 2021 Nobel Prize in Physiology or Medicine

A video explainer on the 2021 Nobel Prize in Physiology or Medicine

U.S. scientists David Julius, Ardem Patapoutian get Medicine Nobel for discovery of temperature, touch receptors

David Julius, Ardem Patapoutian share the Nobel Prize for physiology

Today's Cache | NASA splits human spaceflight unit

Today's Cache dissects big themes at the intersection of technology, business and policy. Written by John Xavier, tech news lead at The Hindu

IAO Hanle: A promising astronomical observatory

The Indian Astronomical Observatory (IAO) located at Hanle near Leh in Ladakh is becoming one of the globally promising observatory sites, according

A tiny plant that can ‘digest’ low density plastic sheets

From the murky waters of a lake in Chennai, researchers isolated an alga that breaks down low density polyethylene

Question Corner | How can glass be made tougher for diverse applications?

researchers combined and centrifuged glass flakes with poly(methyl methacrylate) (PMMA) to make a transparent composite.

On vaccines for pre-teens, when severe disease is rare

Going by past experience, the FDA might greenlight the vaccine for young children in a matter of weeks. The company expects to submit data of children 2–4 years and 6 months to 1 year by the end of the year.

Universities are key in educating the young

While Central universities are doing well, few State universities stand out

AMU professor behind discovery of salt tolerant protein in barley

Identification holds prospect for cultivation in areas with high soil salinity amid climate change

Merck antiviral pill raises hope of preventing COVID-19 deaths

If approved, molnupiravir would be 1st oral antiviral COVID-19 drug

Newly discovered species of gecko named after Jackie Chan

The agile Cnemaspis jackieii or Jackie’s Day Gecko is among 12 species of geckos recorded from the Western Ghats

NASA's Lucy mission to probe Jupiter's mysterious Trojan asteroids

Lucy will launch on October 16 from Cape Canaveral Space Force Station

Question Corner | Does Mars have water to enable habitability?

Water is essential for life, on Earth and other planets but Mars has no liquid water on its surface today. New research from Washington University in

Pfizer begins study of mRNA flu vaccine

The early-stage trial, conducted in the United States, will test the vaccine in healthy adults ages 65- 85.

New 3D printed vaccine patch offers greater protection than jabs

The ease and effectiveness of the new vaccine may lead to a new way to deliver vaccines that is painless, less invasive than a shot with a needle and can be self-administered.

Made for mission life of 6 months, India's Mars probe completes 7 years in orbit

The lessons learnt have raised the confidence of ISRO scientists for taking up future interplanetary missions.

The social life of a vampire bat

Each bat in the colony has its own network of social bonds

Indigenous memory technology moves from lab to fab

The collaborative research can fix faulty chips, cut wastage

Rainy Septembers point to monsoon shifts

Changing patterns of low pressure, fluctuations in moisture distribution may cause rainfall variation

mRNA vaccine manufacturers loath to share know-how

Moderna said it will not enforce patents related to its vaccine during the pandemic, but it is yet to transfer technology to the South African hub

Rainy Septembers point to monsoon shifts

Changing patterns of low pressure, fluctuations in moisture distribution may cause rainfall variation

Science Quiz: on bats

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Polish gene project moves to drop Chinese tech on data security concerns

Chinese company BGI had reportedly developed and improved a prenatal screening test sold in at least 52 countries in collaboration with People's Liberation Army hospitals

Instagram says social media’s effect on people's mental health “mixed”

WSJ’s report also prompted some U.S. lawmakers to launch a probe into Facebook’s lack of transparency around internal research.

Western Ghats offer major additions to new flora

Botanical Survey of India says 202 new species were discovered across the country in 2020

Mangalore University gets patent for anti-cancer compound invention

The invention is titled, A process for the extraction and purification of tetrandrine

Exercise to track early migrants on the East Coast throws up surprises

A recent eBird list from the Kelambakkam backwaters south of Chennai has shades of Pulicat to it

Bio-bubbles have cumulative impact, need balance to avoid excessive mental health toll: Experts

Experts stressed on the need to strike a balance between bio-security bubbles and the avoidance of "excessive" mental health costs to the players

Humanities, social sciences essential in tech institutions

Studying the humanities offers a way to understand the complexity of society

IISc researchers find a way to substitute for single-use plastics

By combining non-edible oils and cellulose extracted from agricultural stubble, the researchers made biodegradable, multiuse polymer sheets

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